Most viewed questions in Data Analytics

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What is the importance of having a selection bias?

Selection biased is used when there is ...READ MORE

Aug 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 665 views
0 votes
1 answer

How to merge data frames using joins?

You can use the merge function with ...READ MORE

Apr 12, 2018 in Data Analytics by kappa3010
 • 2,090 points • 661 views
+1 vote
1 answer

How do I perform feature selection in a disease prediction data set?

Feature selection is based equally upon logic ...READ MORE

Aug 20, 2018 in Data Analytics by Abhi
 • 3,720 points • 660 views
0 votes
1 answer

How to add external markers in maps?

Use external markers by creating icons using ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 659 views
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1 answer

Error in library("yarrr") : there is no package called ‘yarrr’.

Hi@akhtar, Installing a package simply means downloading the ...READ MORE

Oct 30, 2020 in Data Analytics by MD
 • 95,440 points • 651 views
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1 answer

How to provide color to ggplot scatter chart depending on field value?

cyl is a continuous value field, so ...READ MORE

Nov 2, 2019 in Data Analytics by anonymous
 • 33,030 points • 651 views
0 votes
1 answer

Reliability of Bayes Theorem

Baye’s theorem is useful for determining the ...READ MORE

Oct 17, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 651 views
0 votes
1 answer

How to drop data frame columns by name?

Easily you can do it: drops <- c("V2","V4") df1[ ...READ MORE

Apr 10, 2018 in Data Analytics by DeepCoder786
 • 1,720 points • 650 views
+1 vote
1 answer

ROC curve use

ROC curve is basically used to reflect ...READ MORE

Oct 30, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 647 views
0 votes
1 answer

How to Share the files from local system Mac Book to Edureka VM

Hey Satya, Hope you're doing great. Would you please ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 646 views
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0 answers

What does na.rm=TRUE actually means?

Whenever we want to have NA in ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
 • 1,260 points • 645 views
0 votes
1 answer

R programming: loop difference

Use the lubridate package to do this: d$departure ...READ MORE

Jan 17, 2019 in Data Analytics by Sophie may
 • 10,610 points • 643 views
0 votes
1 answer

Why should I adopt R programming

R Programming is the best mechanism for ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 641 views
0 votes
1 answer

Find the maximum temperature on May

Hi, You can perform your requirement in steps. ...READ MORE

Oct 6, 2020 in Data Analytics by MD
 • 95,440 points • 639 views
0 votes
1 answer

Sort a field based on another field in R

Hi.. Just for sorting, you can use arrange ...READ MORE

Aug 29, 2019 in Data Analytics by Gups_1985
 • 639 views
0 votes
1 answer

How to get attribute data from tag using R?

Hi, Use html_attr()/html_attrs() function to extract the attribute ...READ MORE

Sep 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 636 views
0 votes
1 answer

Contingency tables in R

You can build 2 types of contingency ...READ MORE

Aug 22, 2019 in Data Analytics by anonymous
 • 33,030 points • 636 views
0 votes
1 answer

Modular programming in R language

R provides support to create subscripts. For ex. ...READ MORE

Jan 31, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 634 views
0 votes
1 answer

How to install an R package from source?

If you have your file located locally ...READ MORE

Apr 14, 2018 in Data Analytics by CodingByHeart77
 • 3,740 points • 634 views
0 votes
1 answer

How to sample random rows in dataframe?

Create data frame and then implement as ...READ MORE

Jul 3, 2018 in Data Analytics by Sahiti
 • 6,370 points • 632 views
+1 vote
1 answer

Translate curl into R program

Use the RCurl library, its always a ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 630 views
0 votes
1 answer

How to filter only those rows with a condition in R?

Write R code as below temp = data ...READ MORE

Jul 15, 2019 in Data Analytics by anonymous
 • 33,030 points • 629 views
0 votes
1 answer

How to Identify comman pattern of the Products that sells more from a sales data base.

Hi, If you share a real database, then ...READ MORE

Sep 7, 2020 in Data Analytics by MD
 • 95,440 points • 628 views
0 votes
1 answer

How do you know which whether to apply supervised learning or unsupervised learning on a dataset

Supervised Learning is applied when we have ...READ MORE

Aug 21, 2018 in Data Analytics by Abhi
 • 3,720 points • 627 views
0 votes
1 answer

R - Dummy variable creation

@Uday, dummy variables can be created using ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 626 views
0 votes
1 answer

Shut down the VM and restarted

Dear Raghu, Please let us know are you ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 626 views
0 votes
1 answer

How to one hot encode several categorical variables in R

43 I advise employing the caret package's dummyVars ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
 • 3,040 points • 625 views
0 votes
1 answer

Accessing Remote Server

Hey Sudhanshu, Hope you're doing great. It was pleasure ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 624 views
0 votes
1 answer

How to check row value of one column wrt another column?

Hi ratna, For suppose DF is the DataFrame ...READ MORE

Jul 26, 2019 in Data Analytics by anonymous
 • 623 views
0 votes
1 answer

Which command is Opposite of %in% ?

We can use the ! operator inorder ...READ MORE

May 28, 2018 in Data Analytics by zombie
 • 3,790 points • 623 views
+2 votes
1 answer

Need a hadoop engine in backend to run r server

Dear Koushik, Hope you are doing great. The hadoop ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 622 views
0 votes
0 answers

How to normalize values in fields to show in plots in R?

Hi, I use a dataset called airquality ...READ MORE

Jul 9, 2019 in Data Analytics by sindhu
 • 621 views
0 votes
1 answer

Convert hclusters to tree in R

Hi Kalyan, 1. Create hcluster using hclust for example, object <- ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 620 views
0 votes
1 answer

What is raw data?

Raw data is the data that hasn’t ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 619 views
0 votes
1 answer

Check if the object(variable) is defined in R

You can use the exists(): > exists("toFindUnknown") [1] FALSE > ...READ MORE

Apr 17, 2018 in Data Analytics by Sahiti
 • 6,370 points • 619 views
+1 vote
1 answer

R programming: Monte Carlo Simulation

You can use the sample_n from dplyr to select ...READ MORE

Feb 20, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 618 views
+1 vote
1 answer

We can list all data frames in R, Is that possible in python?

Try this: h = [g for n, g ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,840 points • 618 views
0 votes
1 answer

Clean and standardize words using R

You might want to checkout the stringdist package, e.g.: library(stringdist) toMatch ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 618 views
0 votes
1 answer

Rattle packages in R

Rattle is a popular GUI for data mining ...READ MORE

Jul 6, 2018 in Data Analytics by CodingByHeart77
 • 3,740 points • 618 views
0 votes
1 answer

Reordering levels of a factor variable

The factor() function provides the 'levels' attribute ...READ MORE

May 15, 2018 in Data Analytics by Bharani
 • 4,660 points • 618 views
0 votes
1 answer

How to print new lines with print() in R?

You can use cat() instead of writeLines(): ...READ MORE

May 3, 2018 in Data Analytics by kappa3010
 • 2,090 points • 618 views
0 votes
1 answer

Hadoop Streaming job vs regular jobs?

In certain cases, Hadoop Streaming is beneficial ...READ MORE

Mar 22, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 618 views
+1 vote
1 answer

Downloading an image using R Programming

Try this: url2 ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 617 views
0 votes
2 answers

How can I group a set of values by column using R programming?

Try this , Employee %>% group_by(EmpID) %>% mutate(SumSalary ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 614 views
+1 vote
1 answer

an error occurred" because rows do not match when trying to use lm to perform an ANOVA test

Maybe you could do something like this. ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 610 views
+1 vote
2 answers

How can I get experience in Data Science as a fresher?

Work on projects of your own. It’s tough, ...READ MORE

Aug 9, 2018 in Data Analytics by Abhi
 • 3,720 points • 610 views
+1 vote
1 answer

R query and Data Science

Dear Deepika, Hope you are doing great. You can ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 610 views
0 votes
1 answer

Clustering strings in R

Convert the field as factors and use ...READ MORE

Jul 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 609 views
0 votes
1 answer

Intermediate + running sum of vector

Hey, It's quite simple, use the accumulate function ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 608 views
0 votes
0 answers

Add multiple maps over each other

How to multiple layers of maps over ...READ MORE

Sep 19, 2019 in Data Analytics by anonymous
 • 33,030 points • 608 views
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